function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chatterjee, Tapas & Dovgal, Igor & Nanajkar, Mandar', 4],
    ['Chаtterjee, Tаpаs & Dovgаl, Igor & Pešić, Vlаdimir', 2],
    ['Durán-Ramírez, Carlos Alberto & Dias, Roberto Júnio Pedroso', 27],
    ['Foissner, Wilhelm & Wolf, Klaus W. & Kumar, Santosh', 5],
    ['Jang, Seok Won & Vďačný, Peter & Shazib, Shahed Uddin Ahmed', 5],
    ['Müller, Otto Friedrich', 14],
    ['Pan, Hongbo & Gao, Feng & Lin, Xiaofeng & Warren, Alan', 3],
    ['Pan, Hongbo & Li, Lifang & Lin, Xiaofeng & Li, Jiqiu', 3],
    ['Petz, W. & Song, W. & Wilbert, N.', 2],
    ['Rajter, Ľubomír & Bourland, William & Vďačný, Peter', 2],
    ['Vďačný, Peter & Rajter, Ľubomír', 29],
    ['Wu, Lei & Chen, Ruimin & Yi, Zhenzhen & Li, Jiqiu & Warren, Alan', 5],
    ['Wu, Lei & Clamp, John C. & Yi, Zhenzhen & Li, Jiqiu', 3],
    ['Wu, Lei & Jiao, Xiaoxiao & Shen, Zhuo & Yi, Zhenzhen & Li, Jiqiu', 2],
    ['Zhang, Gongaote & Zhao, Yan & Chi, Yong & Warren, Alan', 4],
    ['Other (12)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=123)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);